Granted Patent
Utility
US 6,440,941 · App. 09/442,681
Derivatives of erythromycin, their preparation process and their use as medicaments
Inventor:
Alexis Denis
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 18, 1999
Inventor
Alexis Denis
Assignee (at issue)
AVENTIS PHARMA S.A.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.